/* B336: See it in action. The Topicweave frame (dm__) follows the site theme; the example site inside (fk__) is a
   fictional architecture firm with its own light look, the same in both themes. Square corners on our side. */
.dm { position: relative; z-index: 2; padding: clamp(56px, 8vw, 110px) var(--gutter, 24px); }
.dm__in { max-width: 1320px; margin: 0 auto; }
.dm__head { max-width: 760px; margin-bottom: 28px; }
.dm__head .h2 { font-size: clamp(34px, 4.2vw, 58px); margin: 10px 0 0; }
.dm__note { margin: 14px 0 0; color: var(--ash); font-size: 15px; }
.dm__grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 20px; align-items: start; }

/* browser */
.dm__browser { background: color-mix(in srgb, var(--void) 93%, var(--bone)); box-shadow: inset 0 0 0 1px rgba(var(--fg-rgb), .12), 0 30px 80px rgba(0, 0, 0, .35); }
.dm__chrome { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-bottom: 1px solid rgba(var(--fg-rgb), .1); }
.dm__dots { display: flex; gap: 6px; } .dm__dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(var(--fg-rgb), .22); }
.dm__url { flex: 1; min-width: 0; padding: 6px 12px; font: 13px/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: rgba(var(--fg-rgb), .75); background: rgba(var(--fg-rgb), .07); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dm__src { flex: none; padding: 6px 10px; font: 600 13px/1.2 ui-monospace, Menlo, Consolas, monospace; color: var(--bone); background: rgba(var(--fg-rgb), .08); border: 0; cursor: pointer; }
.dm__src[aria-pressed="true"] { background: var(--cobalt); color: #fff; }
.dm__view { height: min(720px, 78vh); overflow: auto; overscroll-behavior: contain; background: #f6f3ee; scroll-padding-top: 40px; }
.dm__view:focus-visible { outline: 2px solid var(--cobalt-hi); outline-offset: -2px; }

/* side: controls + explanation */
.dm__side { position: sticky; top: 96px; display: grid; gap: 12px; }
.dm__ctrl { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.dm__seg { display: inline-flex; padding: 3px; background: color-mix(in srgb, var(--void) 92%, var(--bone)); }
.dm__seg button { padding: 10px 16px; border: 0; background: none; color: var(--ash); font: 500 14px/1 var(--font, inherit); cursor: pointer; }
.dm__seg button[aria-pressed="true"] { background: var(--bone); color: var(--void); }
.dm__step { display: flex; align-items: center; gap: 6px; }
.dm__count { min-width: 112px; text-align: center; font-size: 14px; color: rgba(var(--fg-rgb), .85); font-variant-numeric: tabular-nums; }
.dm__arrow { width: 44px; height: 44px; border: 0; background: color-mix(in srgb, var(--void) 90%, var(--bone)); color: var(--bone); font-size: 18px; cursor: pointer; }
.dm__arrow:hover:not(:disabled) { background: color-mix(in srgb, var(--void) 82%, var(--bone)); }
.dm__arrow:disabled { opacity: .35; cursor: default; }
.dm__bar { display: grid; grid-template-columns: repeat(9, 1fr); gap: 4px; margin: 0; padding: 0; list-style: none; }
.dm__bar button { display: block; width: 100%; height: 22px; padding: 0; border: 0; background: color-mix(in srgb, var(--void) 86%, var(--bone)); color: transparent; font-size: 0; cursor: pointer; position: relative; }
.dm__bar li.is-done button { background: color-mix(in srgb, var(--mc) 55%, transparent); }
.dm__bar li.is-cur button { background: var(--mc); }
.dm__panel { padding: 22px 22px 20px; background: color-mix(in srgb, var(--void) 95%, var(--bone)); box-shadow: inset 0 0 0 1px rgba(var(--fg-rgb), .1); border-top: 3px solid var(--mc, #ef5b3f); }
.dm__panel p { margin: 0 0 12px; font-size: 15px; line-height: 1.55; color: rgba(var(--fg-rgb), .86); }
.dm__pk { display: flex; align-items: center; gap: 8px; font-size: 12px !important; letter-spacing: .1em; text-transform: uppercase; color: var(--ash) !important; }
.dm__pk i { width: 9px; height: 9px; background: var(--mc, #ef5b3f); }
.dm__ph { margin: 4px 0 14px; font-family: var(--serif, Georgia, serif); font-weight: 400; font-size: 27px; line-height: 1.12; letter-spacing: -.02em; }
.dm__lab { margin: 16px 0 4px !important; font-size: 12px !important; letter-spacing: .1em; text-transform: uppercase; color: var(--ash) !important; }
.dm__auto { display: flex; gap: 10px; margin: 18px 0 0 !important; padding: 12px 14px; background: rgba(19, 158, 138, .1); font-size: 14px !important; }
.dm__auto svg { flex: none; width: 20px; height: 20px; color: #139e8a; margin-top: 1px; }
.dm__auto b { font-weight: 600; color: var(--bone); }
.dm__hint { color: var(--ash) !important; font-size: 14px !important; }
.dm__go { margin-top: 4px; }
.dm__end { margin-top: 14px !important; font-size: 14px !important; color: var(--ash) !important; }

/* ---------- the fictional firm's site ---------- */
.fk { --ink: #1f1c18; --muted: #6b645b; --line: #ddd5ca; --clay: #a8492a; color: var(--ink); background: #f6f3ee; font: 400 16px/1.65 "Helvetica Neue", Helvetica, Arial, sans-serif; min-height: 100%; }
.fk [hidden] { display: none !important; }
.fk a { color: inherit; }
.fk__nav { position: sticky; top: 0; z-index: 3; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px clamp(18px, 4vw, 44px); background: #f6f3ee; border-bottom: 1px solid var(--line); }
.fk__nav button { border: 0; background: none; padding: 6px 0; font: inherit; color: var(--ink); cursor: pointer; }
.fk__logo { font-size: 17px !important; letter-spacing: .02em; font-weight: 500 !important; } .fk__logo span { color: var(--clay); }
.fk__nav nav { display: flex; gap: clamp(12px, 2.4vw, 26px); font-size: 14px; } .fk__nav nav button:hover { color: var(--clay); }
.fk__page { max-width: 760px; margin: 0 auto; padding: clamp(28px, 5vw, 56px) clamp(18px, 4vw, 44px) 40px; }
.fk__page--src { max-width: 900px; }
.fk__k { margin: 0 0 10px; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.fk__h1 { margin: 0; font-weight: 300; font-size: clamp(30px, 4.6vw, 48px); line-height: 1.08; letter-spacing: -.02em; }
.fk__tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 0; }
.fk__tags a { padding: 5px 11px; border: 1px solid var(--line); font-size: 13px; text-decoration: none; }
.fk__by { display: flex; align-items: center; gap: 12px; margin: 18px 0 0; font-size: 14px; line-height: 1.45; }
.fk__by small { color: var(--muted); font-size: 13px; }
.fk__ava { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: #d9cbb8; color: #5a4632; font-size: 13px; font-weight: 600; }
.fk__author { font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; }
.fk__img { margin: 28px 0; aspect-ratio: 16 / 9; position: relative; overflow: hidden; }
.fk__img--court { background:
  linear-gradient(180deg, transparent 0 58%, rgba(60, 40, 25, .28) 58% 60%, transparent 60%),
  repeating-linear-gradient(180deg, #c9a27e 0 9px, #bf946d 9px 15px, #cfa985 15px 26px),
  #c79d78; }
.fk__img--court::before { content: ""; position: absolute; inset: 0 34% 38% 34%; background: linear-gradient(180deg, #e8d7bf, #f2e6d2); box-shadow: inset 0 -40px 60px rgba(120, 80, 40, .25); }
.fk__img--court::after { content: ""; position: absolute; left: 44%; bottom: 0; width: 12%; height: 60%; background: radial-gradient(ellipse at 50% 30%, #5d7046 0 45%, transparent 46%), linear-gradient(90deg, transparent 47%, #5b4330 47% 53%, transparent 53%); }
.fk__img--lib { background:
  linear-gradient(180deg, #e9dfd0 0 34%, transparent 34%),
  linear-gradient(180deg, transparent 0 34%, #3b3029 34% 38%, transparent 38%),
  repeating-linear-gradient(180deg, #b98a64 0 8px, #ad7f5a 8px 13px, #c39773 13px 22px); }
.fk__img--lib::after { content: ""; position: absolute; left: 18%; right: 18%; top: 48%; bottom: 0; background: linear-gradient(90deg, #2f2a25 0 22%, #7e8f86 22% 78%, #2f2a25 78%); opacity: .85; }
.fk__body p { margin: 0 0 18px; font-size: 17px; }
.fk-tl, .fk-in { text-decoration: none; border-bottom: 1.5px solid var(--clay); color: var(--ink); }
.fk-tl { border-bottom-style: dotted; cursor: help; }
.fk-tl:hover, .fk-tl:focus-visible { background: rgba(168, 73, 42, .1); outline: none; }
.fk a.is-off { border-bottom: 0; pointer-events: none; cursor: text; }
.fk__related { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); }
.fk__rk { margin: 26px 0 10px; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.fk__related .fk__rk { margin-top: 0; }
.fk__related ul { margin: 0; padding: 0 0 0 18px; } .fk__related li { margin: 4px 0; }
.fk__cards { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; padding: 0 !important; margin: 0; }
.fk__cards a { display: block; padding: 14px 16px; background: #fff; border: 1px solid var(--line); text-decoration: none; font-size: 15px; line-height: 1.35; }
.fk__cards span { display: block; margin-bottom: 4px; font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.fk__facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 0 0 24px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fk__facts dt { font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); } .fk__facts dd { margin: 2px 0 0; font-size: 14px; }
.fk__ideas { margin-top: 28px; padding-top: 6px; border-top: 1px solid var(--line); }
.fk__read { margin: 16px 0 0; font-size: 15px; }
.fk__def { margin: 16px 0 6px; font-size: 21px; line-height: 1.45; font-weight: 300; }
.fk__faq { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 12px 0; }
.fk__faq summary { cursor: pointer; font-weight: 500; } .fk__faq p { margin: 8px 0 0; color: #3c362f; }
.fk__404 p:last-child { margin-top: 16px; font-size: 17px; color: #3c362f; }
.fk__srck { margin: 0 0 14px; font-size: 15px; font-weight: 600; } .fk__srck span { display: block; font-weight: 400; color: var(--muted); font-size: 13px; }
.fk__code { margin: 0; padding: 18px 20px; overflow-x: auto; background: #1f1c18; color: #e9e2d6; font: 13px/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.fk__err { color: #fff; background: #c43d23; padding: 0 3px; font-weight: 700; }
.fk__srcnote { margin: 12px 0 0; padding: 10px 14px; font-size: 14px; background: #e3efe9; color: #1d4d40; }
.fk__srcnote--bad { background: #f5e0d8; color: #7c2a14; }
.fk__foot { padding: 22px clamp(18px, 4vw, 44px); border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }

/* Topicweave's marks on top of their site: outline + numbered pin per change */
.fk [data-mark] { position: relative; }
.fk [data-mark].is-mark { outline: 2px solid color-mix(in srgb, var(--mc) 55%, transparent); outline-offset: 6px; }
.fk [data-mark].is-cur { outline: 3px solid var(--mc); outline-offset: 6px; box-shadow: 0 0 0 9px color-mix(in srgb, var(--mc) 14%, transparent); }
.fk a[data-mark].is-mark { outline-offset: 2px; } .fk a[data-mark].is-cur { outline-offset: 2px; box-shadow: none; }
.fk__pin { display: none; position: absolute; z-index: 2; top: -18px; left: -18px; width: 26px; height: 26px; padding: 0; border: 0; background: var(--mc); color: #fff; font: 600 13px/26px "Inter Tight", system-ui, sans-serif; text-align: center; cursor: pointer; box-shadow: 0 2px 8px rgba(0, 0, 0, .2); }
.fk a > .fk__pin { top: -28px; left: -8px; }
.fk .is-mark > .fk__pin { display: block; }
.fk .is-cur > .fk__pin { transform: scale(1.12); }
@media (prefers-reduced-motion: no-preference) { .fk [data-mark] { transition: outline-color .3s, box-shadow .3s; } }

/* their pop-up, in their style */
.fk-pop { position: fixed; z-index: 90; width: min(300px, calc(100vw - 24px)); padding: 14px 16px; background: #1f1c18; color: #f2ece2; font: 14px/1.5 "Helvetica Neue", Helvetica, Arial, sans-serif; box-shadow: 0 14px 34px rgba(0, 0, 0, .3); }
.fk-pop span { display: block; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: #bfb4a4; }
.fk-pop b { display: block; margin: 4px 0; font-size: 16px; font-weight: 500; }
.fk-pop p { margin: 0; color: #e2d9cc; }
.fk-pop em { display: inline-block; margin-top: 8px; font-style: normal; font-size: 13px; border-bottom: 1px solid #f2ece2; }

/* phones and tablets: the explanation first, then the site, and a slim control bar pinned to the bottom */
@media (max-width: 1000px) {
  .dm__grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .dm__side { display: contents; }
  .dm__panel { order: 1; scroll-margin-top: 76px; padding: 16px 16px 14px; }
  .dm__browser { order: 2; }
  .dm__ctrl { order: 3; position: sticky; bottom: 0; z-index: 6; margin: 0 -12px; padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px)); background: var(--void); box-shadow: 0 -1px 0 rgba(var(--fg-rgb), .12); }
  .dm__bar { display: none; }
  .dm__view { height: min(560px, 54vh); }
  .dm__panel p { font-size: 14.5px; margin-bottom: 8px; }
  .dm__lab { margin-top: 10px !important; }
  .dm__auto { margin-top: 12px !important; padding: 10px 12px; }
}
@media (max-width: 600px) {
  .dm { padding-inline: 12px; }
  .fk__nav nav { gap: 10px; font-size: 12.5px; } .fk__nav nav button:last-child { display: none; }
  .fk__facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fk__body p { font-size: 16px; }
  .dm__ph { font-size: 23px; }
  .dm__count { min-width: 96px; font-size: 13px; }
}

/* the film tile steps aside while the walkthrough is on screen (look.css slides it the same way) */
html.dm-on .film.is-in { transform: translateY(calc(100% + 40px)); visibility: hidden; transition: transform .6s var(--ease), visibility 0s .6s; }
.fk[data-cur="source"] .fk__nav, .fk[data-cur="source"] .fk__foot { display: none; }
.fk[data-cur="source"] { background: #ece7df; }
.dm__more summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: 8px; }
.dm__more summary::-webkit-details-marker { display: none; }
.dm__more summary::after { content: "+"; font-size: 15px; letter-spacing: 0; color: var(--bone); }
.dm__more[open] summary::after { content: "–"; }
@media (min-width: 1001px) { .dm__more summary { pointer-events: none; } .dm__more summary::after { display: none; } }
@media (max-width: 1000px) { .dm__auto { font-size: 13.5px !important; } .dm__ph { margin-bottom: 8px; } .dm__more summary { padding: 6px 0; } }

/* B336 Home: the flip-all version. The panel lists the nine changes; one opens on click. */
.dm__list { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 2px; }
.dm__list button { display: flex; align-items: center; gap: 12px; width: 100%; padding: 8px 6px; border: 0; background: none; color: rgba(var(--fg-rgb), .88); font: inherit; font-size: 15px; text-align: left; cursor: pointer; }
.dm__list button:hover, .dm__list button:focus-visible { background: rgba(var(--fg-rgb), .06); }
.dm__list i { flex: none; width: 24px; height: 24px; display: grid; place-items: center; background: var(--mc); color: #fff; font-style: normal; font-size: 12.5px; font-weight: 600; }
.dm__back { margin: 0 0 12px; padding: 6px 0; border: 0; background: none; color: var(--ash); font: inherit; font-size: 14px; cursor: pointer; }
.dm__back:hover { color: var(--bone); }
.dm--home .dm__seg button { padding: 12px 18px; }
.dm--home .dm__head .h2 { margin-top: 10px; }
/* phones: the nine become a row of numbers, so the site stays in view */
@media (max-width: 1000px) {
  .dm__list { grid-template-columns: repeat(9, minmax(0, 1fr)); gap: 4px; margin-bottom: 4px; }
  .dm__list button { justify-content: center; padding: 0; }
  .dm__list button span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .dm__list i { width: 100%; height: 34px; font-size: 14px; }
  .dm--home .dm__auto { display: none; }
}
.fk__demo { margin: 0; border-top: 1px solid var(--line); }
.fk__demo > div { display: grid; grid-template-columns: 170px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.fk__demo dt { font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); padding-top: 4px; }
.fk__demo dd { margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.fk__demo dd a { padding: 4px 10px; border: 1px solid var(--line); background: #fff; font-size: 14px; text-decoration: none; }
@media (max-width: 600px) { .fk__demo > div { grid-template-columns: 1fr; gap: 6px; } }
/* B338: with a change open, all nine stay on top as numbers to swap between */
.dm__nums { display: grid; grid-template-columns: repeat(9, minmax(0, 1fr)); gap: 4px; margin: 0 0 16px; }
.dm__nums button { height: 32px; padding: 0; border: 0; background: color-mix(in srgb, var(--mc) 32%, transparent); color: rgba(var(--fg-rgb), .9); font: 600 13px/1 var(--font, inherit); cursor: pointer; }
.dm__nums button:hover, .dm__nums button:focus-visible { background: color-mix(in srgb, var(--mc) 60%, transparent); }
.dm__nums button[aria-current="true"] { background: var(--mc); color: #fff; box-shadow: inset 0 -3px 0 rgba(0, 0, 0, .28); }
@media (max-width: 1000px) { .dm__nums button { height: 34px; font-size: 14px; } }
/* B339: what happens behind the nine */
.dm__behind { margin-top: 18px; padding-top: 14px; border-top: 1px solid rgba(var(--fg-rgb), .12); }
.dm__behind .dm__lab { margin-top: 0 !important; }
.dm__behind ul { margin: 6px 0 10px; padding-left: 18px; font-size: 14.5px; line-height: 1.5; color: rgba(var(--fg-rgb), .86); }
.dm__behind li { margin: 4px 0; }
.dm__opt { font-size: 14px !important; color: var(--ash) !important; }
.dm__behind .inline { font-size: 14px; }
/* B340: cards in a group are all the same size, set by the longest one */
.fk__cards { grid-auto-rows: 1fr; }
.fk__cards li { display: flex; }
.fk__cards a { flex: 1; }
@media (min-width: 601px) { .fk__cards a { min-height: 92px; box-sizing: border-box; } }